{"id":2258,"date":"2026-05-19T05:01:54","date_gmt":"2026-05-19T05:01:54","guid":{"rendered":"https:\/\/www.xkh-ceramics.com\/?post_type=product&#038;p=2258"},"modified":"2026-05-29T05:28:18","modified_gmt":"2026-05-29T05:28:18","slug":"alumina-ceramic-heat-sink-310x310-mm-al%e2%82%82o%e2%82%83-thermal-management-plate","status":"publish","type":"product","link":"https:\/\/www.xkh-ceramics.com\/fr\/product\/alumina-ceramic-heat-sink-310x310-mm-al%e2%82%82o%e2%82%83-thermal-management-plate\/","title":{"rendered":"Dissipateur thermique en c\u00e9ramique d'alumine 310\u00d7310 mm Plaque de gestion thermique en Al\u2082O\u2083."},"content":{"rendered":"<p data-start=\"394\" data-end=\"710\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-medium wp-image-2261 alignright\" src=\"https:\/\/www.xkh-ceramics.com\/wp-content\/uploads\/2026\/05\/Alumina-Ceramic-Heat-Sink-310\u00d7310-mm-Al\u2082O\u2083-Thermal-Management-Plate-300x300.png\" alt=\"\" width=\"300\" height=\"300\" srcset=\"\" sizes=\"(max-width: 300px) 100vw, 300px\" data-srcset=\"\" \/>Le dissipateur thermique en c\u00e9ramique d'alumine de 310 \u00d7 310 mm est un composant de gestion thermique de haute performance fabriqu\u00e9 \u00e0 partir d'oxyde d'aluminium de haute puret\u00e9 (Al\u2082O\u2083). Elle est con\u00e7ue pour les applications n\u00e9cessitant une dissipation thermique efficace, une isolation \u00e9lectrique et une stabilit\u00e9 \u00e0 long terme dans des environnements \u00e0 haute temp\u00e9rature et \u00e0 haute tension.<\/p>\n<p data-start=\"712\" data-end=\"884\">Par rapport aux dissipateurs thermiques en m\u00e9tal, la c\u00e9ramique d'alumine offre une isolation \u00e9lectrique sup\u00e9rieure, une excellente r\u00e9sistance \u00e0 la corrosion et des performances stables dans des conditions d'utilisation difficiles.<\/p>\n<p data-start=\"886\" data-end=\"1033\">Cette plaque c\u00e9ramique grand format est adapt\u00e9e \u00e0 l'\u00e9lectronique de puissance, aux modules LED, aux fixations d'\u00e9quipements semi-conducteurs et aux syst\u00e8mes industriels de pr\u00e9cision.<\/p>\n<hr data-start=\"1035\" data-end=\"1038\" \/>\n<h2 data-section-id=\"1y8un7j\" data-start=\"1040\" data-end=\"1058\">\u00a0Caract\u00e9ristiques principales<\/h2>\n<ul data-start=\"1060\" data-end=\"1389\">\n<li data-section-id=\"1x9683l\" data-start=\"1060\" data-end=\"1120\">Conductivit\u00e9 thermique \u00e9lev\u00e9e pour une dissipation efficace de la chaleur<\/li>\n<li data-section-id=\"19srh1m\" data-start=\"1121\" data-end=\"1168\">Excellentes performances en mati\u00e8re d'isolation \u00e9lectrique<\/li>\n<li data-section-id=\"s6vy75\" data-start=\"1169\" data-end=\"1217\">R\u00e9sistance m\u00e9canique et r\u00e9sistance \u00e0 l'usure \u00e9lev\u00e9es<\/li>\n<li data-section-id=\"bhsp01\" data-start=\"1218\" data-end=\"1276\">Performances stables dans des environnements \u00e0 haute temp\u00e9rature<\/li>\n<li data-section-id=\"1b08t7j\" data-start=\"1277\" data-end=\"1319\">Bonne r\u00e9sistance aux produits chimiques et \u00e0 la corrosion<\/li>\n<li data-section-id=\"1eoi0xe\" data-start=\"1320\" data-end=\"1389\">Surface rectifi\u00e9e de pr\u00e9cision disponible pour les applications \u00e0 haute plan\u00e9it\u00e9<\/li>\n<\/ul>\n<hr data-start=\"1391\" data-end=\"1394\" \/>\n<h2 data-section-id=\"14me2no\" data-start=\"1396\" data-end=\"1418\">\u00a0Options de mat\u00e9riaux<\/h2>\n<ul data-start=\"1420\" data-end=\"1580\">\n<li data-section-id=\"15swvgq\" data-start=\"1420\" data-end=\"1461\">95% Al\u2082O\u2083 (qualit\u00e9 industrielle standard)<\/li>\n<li data-section-id=\"1iieflf\" data-start=\"1462\" data-end=\"1513\">96% Al\u2082O\u2083 (option r\u00e9sistance m\u00e9canique am\u00e9lior\u00e9e)<\/li>\n<li data-section-id=\"1g5uvoo\" data-start=\"1514\" data-end=\"1580\">99% Al\u2082O\u2083 (Haute puret\u00e9, meilleure isolation et stabilit\u00e9 thermique)<\/li>\n<\/ul>\n<hr data-start=\"1582\" data-end=\"1585\" \/>\n<h2 data-section-id=\"8lu2ky\" data-start=\"1587\" data-end=\"1617\">Sp\u00e9cifications techniques<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1619\" data-end=\"2138\">\n<thead data-start=\"1619\" data-end=\"1643\">\n<tr data-start=\"1619\" data-end=\"1643\">\n<th class=\"last:pe-10\" data-start=\"1619\" data-end=\"1626\" data-col-size=\"sm\">Objet<\/th>\n<th class=\"last:pe-10\" data-start=\"1626\" data-end=\"1643\" data-col-size=\"md\">Sp\u00e9cifications<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1668\" data-end=\"2138\">\n<tr data-start=\"1668\" data-end=\"1706\">\n<td data-start=\"1668\" data-end=\"1679\" data-col-size=\"sm\">Mat\u00e9riau<\/td>\n<td data-col-size=\"md\" data-start=\"1679\" data-end=\"1706\">C\u00e9ramique d'alumine (Al\u2082O\u2083)<\/td>\n<\/tr>\n<tr data-start=\"1707\" data-end=\"1730\">\n<td data-start=\"1707\" data-end=\"1714\" data-col-size=\"sm\">Taille<\/td>\n<td data-start=\"1714\" data-end=\"1730\" data-col-size=\"md\">310 \u00d7 310 mm<\/td>\n<\/tr>\n<tr data-start=\"1731\" data-end=\"1775\">\n<td data-start=\"1731\" data-end=\"1743\" data-col-size=\"sm\">\u00c9paisseur<\/td>\n<td data-start=\"1743\" data-end=\"1775\" data-col-size=\"md\">0,5 - 10,0 mm (personnalisable)<\/td>\n<\/tr>\n<tr data-start=\"1776\" data-end=\"1805\">\n<td data-start=\"1776\" data-end=\"1786\" data-col-size=\"sm\">Densit\u00e9<\/td>\n<td data-start=\"1786\" data-end=\"1805\" data-col-size=\"md\">3,6 - 3,9 g\/cm\u00b3<\/td>\n<\/tr>\n<tr data-start=\"1806\" data-end=\"1846\">\n<td data-start=\"1806\" data-end=\"1829\" data-col-size=\"sm\">Conductivit\u00e9 thermique<\/td>\n<td data-col-size=\"md\" data-start=\"1829\" data-end=\"1846\">20 - 30 W\/m-K<\/td>\n<\/tr>\n<tr data-start=\"1847\" data-end=\"1888\">\n<td data-start=\"1847\" data-end=\"1869\" data-col-size=\"sm\">Rigidit\u00e9 di\u00e9lectrique<\/td>\n<td data-col-size=\"md\" data-start=\"1869\" data-end=\"1888\">\u2265 10 - 15 kV\/mm<\/td>\n<\/tr>\n<tr data-start=\"1889\" data-end=\"1925\">\n<td data-start=\"1889\" data-end=\"1910\" data-col-size=\"sm\">R\u00e9sistivit\u00e9 volumique<\/td>\n<td data-col-size=\"md\" data-start=\"1910\" data-end=\"1925\">\u2265 10\u00b9\u2074 \u03a9-cm<\/td>\n<\/tr>\n<tr data-start=\"1926\" data-end=\"1965\">\n<td data-start=\"1926\" data-end=\"1946\" data-col-size=\"sm\">R\u00e9sistance \u00e0 la flexion<\/td>\n<td data-col-size=\"md\" data-start=\"1946\" data-end=\"1965\">\u2265 300 - 350 MPa<\/td>\n<\/tr>\n<tr data-start=\"1966\" data-end=\"1989\">\n<td data-start=\"1966\" data-end=\"1977\" data-col-size=\"sm\">Duret\u00e9<\/td>\n<td data-start=\"1977\" data-end=\"1989\" data-col-size=\"md\">\u2265 80 HRA<\/td>\n<\/tr>\n<tr data-start=\"1990\" data-end=\"2055\">\n<td data-start=\"1990\" data-end=\"2010\" data-col-size=\"sm\">Rugosit\u00e9 de surface<\/td>\n<td data-start=\"2010\" data-end=\"2055\" data-col-size=\"md\">Ra \u2264 0,4 - 0,8 \u03bcm (option surface du sol)<\/td>\n<\/tr>\n<tr data-start=\"2056\" data-end=\"2112\">\n<td data-start=\"2056\" data-end=\"2067\" data-col-size=\"sm\">Plan\u00e9it\u00e9<\/td>\n<td data-start=\"2067\" data-end=\"2112\" data-col-size=\"md\">\u2264 0,05 - 0,10 mm (en fonction de l'\u00e9paisseur)<\/td>\n<\/tr>\n<tr data-start=\"2113\" data-end=\"2138\">\n<td data-start=\"2113\" data-end=\"2121\" data-col-size=\"sm\">Couleur<\/td>\n<td data-start=\"2121\" data-end=\"2138\" data-col-size=\"md\">Ivoire \/ Blanc<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"2140\" data-end=\"2143\" \/>\n<h2 data-section-id=\"4t5b8m\" data-start=\"2145\" data-end=\"2163\"><img decoding=\"async\" class=\"size-medium wp-image-2260 alignright\" src=\"https:\/\/www.xkh-ceramics.com\/wp-content\/uploads\/2026\/05\/\u672a\u547d\u540d\u7684\u8bbe\u8ba1-69-300x300.png\" alt=\"\" width=\"300\" height=\"300\" srcset=\"\" sizes=\"(max-width: 300px) 100vw, 300px\" data-srcset=\"\" \/>Applications<\/h2>\n<ul data-start=\"2165\" data-end=\"2400\">\n<li data-section-id=\"1b2xr9q\" data-start=\"2165\" data-end=\"2200\">Modules d'\u00e9clairage LED de grande puissance<\/li>\n<li data-section-id=\"1q2uxij\" data-start=\"2201\" data-end=\"2255\">Dispositifs semi-conducteurs de puissance (IGBT, MOSFET, refroidissement)<\/li>\n<li data-section-id=\"rxjt36\" data-start=\"2256\" data-end=\"2286\">\u00c9quipements RF et micro-ondes<\/li>\n<li data-section-id=\"xhat7z\" data-start=\"2287\" data-end=\"2322\">Syst\u00e8mes d'isolation haute tension<\/li>\n<li data-section-id=\"ywzi5u\" data-start=\"2323\" data-end=\"2364\">Plateformes industrielles de dissipation thermique<\/li>\n<li data-section-id=\"1ujpytg\" data-start=\"2365\" data-end=\"2400\">Assemblages \u00e9lectroniques de pr\u00e9cision<\/li>\n<\/ul>\n<hr data-start=\"2402\" data-end=\"2405\" \/>\n<h2 data-section-id=\"128v01u\" data-start=\"2407\" data-end=\"2434\">Options de personnalisation<\/h2>\n<ul data-start=\"2436\" data-end=\"2675\">\n<li data-section-id=\"v88utp\" data-start=\"2436\" data-end=\"2472\">Personnalisation de la taille et de l'\u00e9paisseur<\/li>\n<li data-section-id=\"1sfyw6o\" data-start=\"2473\" data-end=\"2549\">Polissage de surface \/ rodage \/ m\u00e9tallisation (support de placage Ag, Au, Ni)<\/li>\n<li data-section-id=\"12ytxsi\" data-start=\"2550\" data-end=\"2585\">D\u00e9coupe au laser et usinage CNC<\/li>\n<li data-section-id=\"1wf7piy\" data-start=\"2586\" data-end=\"2621\">Per\u00e7age et rainurage de pr\u00e9cision<\/li>\n<li data-section-id=\"10r017e\" data-start=\"2622\" data-end=\"2675\">Grade de haute plan\u00e9it\u00e9 pour utilisation optique\/semiconducteur<\/li>\n<\/ul>\n<h2 data-start=\"0\" data-end=\"39\"><strong data-start=\"3\" data-end=\"39\">FAQ (Foire aux questions)<\/strong><\/h2>\n<p data-start=\"41\" data-end=\"423\"><strong data-start=\"41\" data-end=\"116\">Q1 : La c\u00e9ramique d'alumine est-elle meilleure que l'aluminium pour les applications de dissipation thermique ?<\/strong><br data-start=\"116\" data-end=\"119\" \/>R : La c\u00e9ramique d'alumine pr\u00e9sente une conductivit\u00e9 thermique inf\u00e9rieure \u00e0 celle de l'aluminium, mais elle offre une isolation \u00e9lectrique sup\u00e9rieure, une plus grande r\u00e9sistance \u00e0 la temp\u00e9rature et une meilleure stabilit\u00e9 \u00e0 la corrosion. Elle est id\u00e9ale pour les environnements \u00e9lectroniques de haute tension et de pr\u00e9cision o\u00f9 les dissipateurs thermiques m\u00e9talliques risquent d'\u00e9chouer en raison des risques li\u00e9s \u00e0 la conductivit\u00e9.<\/p>\n<p data-start=\"425\" data-end=\"752\"><strong data-start=\"425\" data-end=\"521\">Q2 : La plaque c\u00e9ramique de 310 \u00d7 310 mm peut-elle \u00eatre personnalis\u00e9e en fonction de diff\u00e9rentes formes ou de diff\u00e9rents types de trous ?<\/strong><br data-start=\"521\" data-end=\"524\" \/>R : Oui. La plaque de c\u00e9ramique d'alumine peut \u00eatre usin\u00e9e par commande num\u00e9rique, d\u00e9coup\u00e9e au laser, perc\u00e9e ou fendue selon les exigences de la conception. Des g\u00e9om\u00e9tries, des trous de montage et des motifs de surface personnalis\u00e9s sont disponibles pour r\u00e9pondre aux besoins sp\u00e9cifiques d'int\u00e9gration des dispositifs.<\/p>\n<p data-start=\"754\" data-end=\"1145\" data-is-last-node=\"\" data-is-only-node=\"\"><strong data-start=\"754\" data-end=\"847\">Q3 : Le dissipateur thermique en c\u00e9ramique risque-t-il de se fissurer sous l'effet de temp\u00e9ratures \u00e9lev\u00e9es ou de changements de temp\u00e9rature rapides ?<\/strong><br data-start=\"847\" data-end=\"850\" \/>R : Les c\u00e9ramiques d'alumine de haute puret\u00e9 ont une excellente stabilit\u00e9 thermique et peuvent supporter des temp\u00e9ratures de fonctionnement \u00e9lev\u00e9es. Cependant, comme toutes les c\u00e9ramiques, elles sont fragiles sous l'effet des chocs m\u00e9caniques. Une conception de montage appropri\u00e9e et un cycle thermique contr\u00f4l\u00e9 permettent de garantir une fiabilit\u00e9 \u00e0 long terme dans les applications pratiques.<\/p>","protected":false},"excerpt":{"rendered":"<p>Le dissipateur thermique en c\u00e9ramique d'alumine de 310 \u00d7 310 mm est un composant de gestion thermique de haute performance fabriqu\u00e9 \u00e0 partir d'oxyde d'aluminium de haute puret\u00e9 (Al\u2082O\u2083). Elle est con\u00e7ue pour les applications n\u00e9cessitant une dissipation thermique efficace, une isolation \u00e9lectrique et une stabilit\u00e9 \u00e0 long terme dans des environnements \u00e0 haute temp\u00e9rature et \u00e0 haute tension.<\/p>","protected":false},"featured_media":2260,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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